Incidence of infections associated with oral glucocorticoid dose in people diagnosed with polymyalgia rheumatica or giant cell arteritis: a cohort study in England.
Incidence of infections associated with oral glucocorticoid dose in people diagnosed with polymyalgia rheumatica or giant cell arteritis: a cohort study in England.
CMAJ. 2019 Jun 24;191(25):E680-E688
Authors: Wu J, Keeley A, Mallen C, Morgan AW, Pujades-Rodriguez M
Abstract
BACKGROUND: Most patients with polymyalgia rheumatica or giant cell arteritis are treated with glucocorticoid therapy in primary care. We estimated dose-response risks of infection for this population in England.
METHODS: We conducted a retrospective record-linkage study involving a cohort of people with polymyalgia rheumatica or giant cell arteritis registered in family practices across England (1998-2017). Estimates of first occurring infection per level of time-variant current and cumulative dose were obtained using Kaplan-Meier methods and multilevel proportional-hazards Cox models.
RESULTS: Of 39 938 patients attending 389 family practices, 22 234 (55.7%) had at least 1 infection over a median follow-up period of 4.8 years, with 5937 (26.7%) requiring hospital admission and 1616 (7.3%) dying within 7 days of diagnosis. Cumulative risks of all-cause infection were 18.3% (95% confidence interval [CI] 17.9%-18.7%) at 1 year, 54.7% (95% CI 54.1%-55.2%) at 5 years and 76.9% (95% CI 76.2%-77.5%) at 10 years. Lower respiratory tract infections, conjunctivitis and herpes zoster were the most commonly diagnosed infections. The increases in adjusted ha...
Source: cmaj - Category: General Medicine Authors: Wu J, Keeley A, Mallen C, Morgan AW, Pujades-Rodriguez M Tags: CMAJ Source Type: research
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